org.rubyforge.debugcommons.RubyDebuggerException: Unable to read added breakpoint number in the specified timeout [15s]
        at org.rubyforge.debugcommons.ReadersSupport.poll(ReadersSupport.java:224)
        at org.rubyforge.debugcommons.ReadersSupport.readAddedBreakpointNo(ReadersSupport.java:200)
        at org.rubyforge.debugcommons.RubyDebuggerProxy.addBreakpoint(RubyDebuggerProxy.java:209)
        at org.netbeans.modules.ruby.debugger.breakpoints.RubyBreakpointManager.addLineBreakpoint(RubyBreakpointManager.java:90)
        at org.netbeans.modules.ruby.debugger.breakpoints.RubyBreakpointActionProvider.doAction(RubyBreakpointActionProvider.java:92)
        at org.netbeans.spi.debugger.ActionsProvider$1.run(ActionsProvider.java:112)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)